Jason Lettmann - 16 Sep 2025 Form 4 Insider Report for ALX ONCOLOGY HOLDINGS INC (ALXO)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Shelly Pinto, by power of attorney
Issuer symbol: ALXO
Transactions as of: 16 Sep 2025
Net transactions value: +$99,352
Form type: 4
Filing time: 18 Sep 2025, 16:23:19 UTC
Previous filing: 19 Aug 2025
Next filing: 16 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lettmann Jason	CHIEF EXECUTIVE OFFICER, Director	C/O ALX ONCOLOGY HOLDINGS INC., 323 ALLERTON AVENUE, SOUTH SAN FRANCISCO	/s/ Shelly Pinto, by power of attorney	18 Sep 2025	0001688269

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALXO	Common Stock	Purchase	$22,461	+21,070	+9.9%	$1.07	233,958	16 Sep 2025	Direct	F1
transaction	ALXO	Common Stock	Purchase	$76,892	+71,163	+30%	$1.08	305,121	17 Sep 2025	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.05 to $1.07, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.
F2	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.05 to $1.09, inclusive.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.05 to $1.07, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.05 to $1.09, inclusive.